Stern's Introductory Plant Biology
14th Edition
ISBN: 9781259682742
Author: James Bidlack, Shelley Jansky, Kingsley R Stern
Publisher: McGraw-Hill Education
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Chapter 7, Problem 7RQ
What leaf modifications are associated with dry areas, wet areas (e.g., lakes), climbing, and reproduction?
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Which of the following meristems are responsible for secondary growth in woody plants?
Group of answer choices
ground meristem and procambium
vascular cambium and protoderm
cork cambium and vascular cambium
protoderm and procambium
Stomata are pores on the surface of plant leaves that allow for gaseous exchange. The numbers below shows the density of stomata on the leaf surfaces of three species of plants. Based on this information, which statement is incorrect? Stomata Density: Elodea (upper epidermis) = 0, (lower epidermis) = 0, Water Lily (upper) = 420, (lower) = 0, Black Walnut (upper) = 0, (lower) = 465
a) Since Elodea does not have any stomata, it does not carry out photosynthesis.
b) In Elodea’s aquatic environment, stomata are not used to control gas exchange.
c) Since black walnut trees thrive on land, stomata are located on lower surface to decrease the amount of water lost in the heat of the sun.
d) Since water lilies live on the surface of water, transpiration occurs from the upper epidermis because that is where it is in contact with air.
Make a labelled line diagram of the cross section of the leaf with the following labels: cuticle, adaxial epidermis, abaxial epidermis,
primary xylem, primary phloem, collenchyma, bundle sheath, vascular cambium, stomata, mesophyll that consist of palisade and
spongy parenchyma with intercellular spaces.
Chapter 7 Solutions
Stern's Introductory Plant Biology
Ch. 7 - Prob. 1RQCh. 7 - Prob. 2RQCh. 7 - Prob. 3RQCh. 7 - 4. How can one distinguish between the upper and...Ch. 7 - 5. What is the function of bundle sheaths?
Ch. 7 - 6. How do leaves in shaded areas differ from...Ch. 7 - What leaf modifications are associated with dry...Ch. 7 - Prob. 8RQCh. 7 - Describe the advantages and disadvantages to a...Ch. 7 - 2. In Chapter 3, it was noted that living cells...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Modified leaves that enable a stem to climb are called __________, whereas modified leaves that cover the winter buds of a dormant woody plant are called __________. (a) spines; bud scales (b) bud scales; tendrils (c) tendrils; bud scales (d) tendrils; spines (e) carnivorous leaves; spinesarrow_forwardOpenings in the plant body to allow for gas exchange are termed palisade cells collenchyma stomata spiraclesarrow_forwardFrom environmental pressures to obtain and retain water, many plants developed to transport nutrients and water. Origid structures like branches and trunks seeds nonvascular tissues vascular tissues like xylem and phloemarrow_forward
- When plants first moved on to land, they faced with a wide variety of new challenges. Two of these challenges include the risk of drying out and the ability to access/transport resources. Describe not just list 4 adaptations that allow plants to cope with these challenges, 2 for coping with drying out and 2 for coping with accessing/transporting resources.arrow_forwardWhat is the modified root function of pandan, five fingers, creeping ivy, peanut, carrot, tugi, mangrove, radish, kamote, dendrobiumarrow_forwardDescribe the differences among tendrils, spines, storage leaves, flower-pot leaves, window leaves, reproductive leaves, floral leaves, and different types of insect-trapping leavesarrow_forward
- T/F Question Parenchyma is soft, internal plant tissue. Xylem and phloem are plant structural tissue. Periderm tissue is a type of plant epidermis in young stems and roots. Plant shoots include stems, leaves, and flowers. Monocot stems have their vascular bundles arranged in a ring pattern in the ground tissue. Eudicots have their leaf veins arranged in a parallel pattern. Photosynthesis in leaves takes place in the mesophyll layer Eudicots possess a large taproot. The limiting factor for plants is phosphorus. Root hairs help to decrease the absorbtive surface area of a plant. Xylem conducts plant sugars and organic molecules. Plant tissues grow from meristem cells that continually divide during the growing season. Primary plant growth involves thickening of the stems and roots. Plants can undergo asexual reproduction without cross-pollination. The fertilization process in plants is a double fertilization process. Over 1/3 of the U.S. food supply comes from the cross-pollination…arrow_forwardStudy of distribution of stomata in the upper and lower surface of leaves?arrow_forwardExplain four changes that occur as vegetative grass changes to reproduction phasearrow_forward
- Diagram 1: Cross Section of a leaf-cells and structures. cuticle -upper epidermis palisade layer chloroplasts vascular bundle spongy mesophyll -intercellular chamber -lower epidermis stoma A possible explanation to explain the presence of the stoma structure would be that it stores extra water the leaf does not need. allows a passageway for gasses to enter and exit the leaf makes sugar needed by the cells. O maximizes the absorption of sunlight energy O O O Oarrow_forwardIs transportation a function of the shoot or root system of a plant? Is storage a function of the shoot or root system of a plant?arrow_forwardObserve the following photos of the shoot of a monocot (left) and an eudicot (right). How are these shoots similar? How do they differ in terms of the appearance (morphology) of the leaves and the way the leaves are attached?arrow_forward
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